CN106816938A - A kind of low-power wireless charging device - Google Patents
A kind of low-power wireless charging device Download PDFInfo
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- CN106816938A CN106816938A CN201510858334.7A CN201510858334A CN106816938A CN 106816938 A CN106816938 A CN 106816938A CN 201510858334 A CN201510858334 A CN 201510858334A CN 106816938 A CN106816938 A CN 106816938A
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Abstract
The present invention relates to wireless power technical field, more particularly to a kind of low-power wireless charging device.The technical scheme that invention solves above-mentioned technical problem is as follows：Including transmitter unit, at least one receiving unit, wherein transmitter unit carries out wireless connection by magnetic coupling resonance and receiving unit, the transmitter unit includes being sequentially connected power management module, vibration source module, power amplifier module, the transmitting coil for connecing, and receiving unit includes receiving coil, energy conversion module, rechargeable battery, control module.Compared with prior art, the beneficial effects of the invention are as follows：Support that multiple equipment charges simultaneously, it is ensured that charge efficiency higher, it is ensured that charging process safety.Transmitter meeting automatic power adjustment, to maintain the steady operation of transmitter, has wireless carrier communication function between transmitter module and receiver module, the load of automatic detection receiving terminal is adjusted according to bearing power and exported.
Description
Technical field
The present invention relates to electric supply installation, belong to wireless charging device technical field.
Background technology
In today that electronic product is so popularized, it is believed that everyone has several different types of chargers and charging wire at hand for we, and it is very inconvenient to use.And wireless charging technology exactly solves this problem and produces.On the one hand wireless charging technology can allow user to break away from the puzzlement of cable, on the other hand can also solve the general sex chromosome mosaicism of charger.Certainly, wireless charging would is that a developing direction of following mobile device, be also one of hot spot technology that all big enterprises fall over each other research.
Wireless charging technology, comes from wireless power conveying technology.Wireless charging, also referred to as induction charging, non-contact inductive charge, are sensed using near field, namely inductive, the device of electricity consumption is transmitted its energy to by power supply unit, the device using the energy for receiving to battery charge, and simultaneously for itself running be used.Due to transmitting energy with inductive between charger and power device, do not run wires between the two, therefore charger and the device of electricity consumption can be accomplished to be exposed without conductive junction point.
At present on the market using it is most be exactly the wireless charging technology that meets wireless charging alliance Qi standards, the distance that this technology charges is shorter, only several centimetres of maximum.So, it is required for being placed on the equipment such as mobile phone on recharging base using the wireless charging device of Qi, generally also have and be provided with magnetic fastening device.And Qi another be exactly impracticable than larger inferior position.Therefore also not by large-scale application.
The content of the invention
The present invention is in order to solve the above-mentioned technical problem, there is provided a kind of low-power wireless charging device that can realize wireless charging.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of low-power wireless charging device, including transmitter unit 1, at least one receiving unit 2, wherein transmitter unit 1 carries out wireless connection by magnetic coupling resonance and receiving unit 2, the transmitter unit 1 includes being sequentially connected the power management module 3 for connecing, vibration source module 4, power amplifier module 5, transmitting coil 6, the power management module 3 is connected with external power source, receiving unit 2 includes receiving coil 7, the energy conversion module 8 being connected with receiving coil 7, the energy conversion module 8 has been also respectively connected with rechargeable battery 9, control module 10, include power-sensing circuit and carrier modulation demodulator circuit in the control module 10.
Include carrier modulation demodulator circuit, receiver identification circuit, Power auto-adjustment circuit in the power amplifier module 5.
Include foreign bodies detection circuit as a kind of prioritization scheme of the technical program, in the power management module 3 and automatically cut off protection circuit.
Used as another prioritization scheme of the technical program, the energy conversion module 8 includes rectification circuit, filter circuit, regulating circuit.
Can also be that the power management module 3 includes APPC.
Can also be that the energy conversion module 8 includes receiver Distance Judgment circuit.
Can also further be optimized for, the energy conversion module 8 includes battery voltage detection circuit.
Compared with prior art, the beneficial effects of the invention are as follows：The horizontal free degree and vertical degree of freedom during charging are solved the problems, such as, is not influenceed by shape of product size etc., support that multiple equipment charges simultaneously; and ensure that charge efficiency higher; meanwhile, also added metallic foreign body detection function and overheat protector function, it is ensured that charging process safety.When output power of power supply is not enough, transmitter meeting automatic power adjustment, to maintain the steady operation of transmitter, the power adjust automatically transmission power according to equipment, equipment charge completes to be automatically stopped transmitting.When having metal object or other conductors are placed between transmitter and receiver, power loss can be produced, when power loss reaches certain threshold value; transmitting coil will stop power output; to avoid producing high temperature in metal surface, burning apparatus are prevented, so as to reach protecting effect.Intelligent charge or direct power supply to the device are carried out to rechargeable battery, equipment charge completes to be automatically stopped reception.There is wireless carrier communication function, the load of automatic detection receiving terminal is adjusted according to bearing power and exported between transmitter module and receiver module.Flexibly, conveniently, reliably, effectively.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention;
Wherein, 1, transmitter unit；2nd, receiving unit；3rd, power management module；4th, source module is vibrated；5th, power amplifier module；6th, transmitting coil；7th, receiving coil；8th, energy conversion module；9th, rechargeable battery;10th, control module.
Specific embodiment
Specific embodiment：The technical program is described in detail below in conjunction with Fig. 1, example is served only for explaining the present invention, is not intended to limit the scope of the present invention.
A kind of low-power wireless charging device, including transmitter unit 1, at least one receiving unit 2, wherein transmitter unit 1 carries out wireless connection by magnetic coupling resonance and receiving unit 2, the transmitter unit 1 includes being sequentially connected the power management module 3 for connecing, vibration source module 4, power amplifier module 5, transmitting coil 6, the power management module 3 is connected with external power source, include carrier modulation demodulator circuit in the power amplifier module 5, receiver identification circuit, Power auto-adjustment circuit, receiving unit 2 includes receiving coil 7, the energy conversion module 8 being connected with receiving coil 7, the energy conversion module 8 has been also respectively connected with rechargeable battery 9, control module 10, include power-sensing circuit and carrier modulation demodulator circuit in the control module 10.
Include foreign bodies detection circuit in the power management module 3 and automatically cut off protection circuit；The energy conversion module 8 includes rectification, filtering, regulating circuit.The power management module 3 includes APPC.The power management module 3 includes receiver Distance Judgment circuit.
Use process：Power management module 3 uses 220V electric mains to be input into as external power supply.
Power management module 3 be powered after the certain interval of time of transmitter unit 1 will automatic detection once whether there is article to be placed on it, if magnetic or irony object, it is not operated then, if effective charhing unit 2, can then be powered to transmitting coil 6 by vibrating source module 4, power amplifier module 5, make its produce alternating magnetic field, and according to charhing unit 2 number, distance automatically adjust power.Receiving unit 2 receives rechargeable energy by receiving coil 7, and the energy that will be received through energy conversion module 8 under the control of control module 10 is rectified, filtering, charged to rechargeable battery 9 after pressure regulation.Control module 10 is monitored according to energy conversion module 8 to the state of rechargeable battery 9, and notifies transmitter unit 1 in good time by way of carrier wave, and transmitter unit 1 is adjusted to transmission power in good time according to carrier information through power amplifier module 5.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc. should be included within the scope of the present invention.
Claims (7)
1. a kind of low-power wireless charging device, it is characterised in that including transmitter unit（1）, at least one receiving unit（2）, wherein transmitter unit（1）By electromagnetic coupled resonance and receiving unit（2）Carry out wireless connection, the transmitter unit（1）Including being sequentially connected the power management module for connecing（3）, vibration source module（4）, power amplifier module（5）, transmitting coil（6）, the power management module（3）It is connected with external power source, receiving unit（2）Including receiving coil（7）With receiving coil（7）The energy conversion module being connected（8）, the energy conversion module（8）It has been also respectively connected with rechargeable battery（9）, control module（10）, the control module（10）It is interior including power-sensing circuit and carrier modulation demodulator circuit.
2. a kind of low-power wireless charging device according to claim 1, it is characterised in that the power amplifier module（5）It is interior including carrier modulation demodulator circuit, receiver identification circuit, Power auto-adjustment circuit.
3. a kind of low-power wireless charging device according to claim 1, it is characterised in that the power management module（3）It is interior including foreign bodies detection circuit and automatically cutting off protection circuit.
4. a kind of low-power wireless charging device according to claim 1, it is characterised in that the energy conversion module（8）Including rectification circuit, filter circuit, regulating circuit.
5. a kind of low-power wireless charging device according to claim 1, it is characterised in that the power management module（3）Including APPC.
6. a kind of low-power wireless charging device according to claim 1, it is characterised in that the energy conversion module（8）Including receiver Distance Judgment circuit.
7. according to a kind of any described low-power wireless charging device of claim 1 to 6, it is characterised in that the energy conversion module（8）Including battery voltage detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858334.7A CN106816938A (en) | 2015-11-30 | 2015-11-30 | A kind of low-power wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858334.7A CN106816938A (en) | 2015-11-30 | 2015-11-30 | A kind of low-power wireless charging device |
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| Publication Number | Publication Date |
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| CN106816938A true CN106816938A (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510858334.7A Pending CN106816938A (en) | 2015-11-30 | 2015-11-30 | A kind of low-power wireless charging device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108486792A (en) * | 2018-05-28 | 2018-09-04 | 王梓任 | The automatic spraying coating line of textile fabric photocatalyst and its application method |
| CN109980794A (en) * | 2017-12-14 | 2019-07-05 | 北京小米移动软件有限公司 | Wireless charging device |
| CN110384413A (en) * | 2018-04-20 | 2019-10-29 | 佛山市顺德区美的电热电器制造有限公司 | Split cooking apparatus and its detection method and detection device |
| CN111224472A (en) * | 2018-11-26 | 2020-06-02 | 法雷奥舒适驾驶助手公司 | Calibration method for compensating power loss of wireless power transmission apparatus |
| CN113085599A (en) * | 2021-04-02 | 2021-07-09 | 中惠创智（深圳）无线供电技术有限公司 | Wireless charging device of electric bicycle |
| WO2024032788A1 (en) * | 2022-08-12 | 2024-02-15 | 长春捷翼汽车科技股份有限公司 | Wireless charging apparatus, detection signal transmission method, and vehicle |
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| CN202712949U (en) * | 2012-08-20 | 2013-01-30 | 李琳 | Wireless charger |
| WO2013168518A1 (en) * | 2012-05-08 | 2013-11-14 | Ｎｅｃカシオモバイルコミュニケーションズ株式会社 | Contactless power transmission system, foreign matter detection method, power transmission device, and power receiving device |
| CN103545938A (en) * | 2012-07-09 | 2014-01-29 | Lg电子株式会社 | Wireless power transfer method, apparatus and system |
| CN103852665A (en) * | 2014-01-10 | 2014-06-11 | 深圳市普林泰克科技有限公司 | Algorithm for directly detecting metal foreign bodies for wireless charger |
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| WO2013168518A1 (en) * | 2012-05-08 | 2013-11-14 | Ｎｅｃカシオモバイルコミュニケーションズ株式会社 | Contactless power transmission system, foreign matter detection method, power transmission device, and power receiving device |
| CN103545938A (en) * | 2012-07-09 | 2014-01-29 | Lg电子株式会社 | Wireless power transfer method, apparatus and system |
| CN202712949U (en) * | 2012-08-20 | 2013-01-30 | 李琳 | Wireless charger |
| CN103852665A (en) * | 2014-01-10 | 2014-06-11 | 深圳市普林泰克科技有限公司 | Algorithm for directly detecting metal foreign bodies for wireless charger |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980794A (en) * | 2017-12-14 | 2019-07-05 | 北京小米移动软件有限公司 | Wireless charging device |
| CN109980794B (en) * | 2017-12-14 | 2021-09-21 | 北京小米移动软件有限公司 | Wireless charging device |
| CN110384413A (en) * | 2018-04-20 | 2019-10-29 | 佛山市顺德区美的电热电器制造有限公司 | Split cooking apparatus and its detection method and detection device |
| CN108486792A (en) * | 2018-05-28 | 2018-09-04 | 王梓任 | The automatic spraying coating line of textile fabric photocatalyst and its application method |
| CN111224472A (en) * | 2018-11-26 | 2020-06-02 | 法雷奥舒适驾驶助手公司 | Calibration method for compensating power loss of wireless power transmission apparatus |
| CN113085599A (en) * | 2021-04-02 | 2021-07-09 | 中惠创智（深圳）无线供电技术有限公司 | Wireless charging device of electric bicycle |
| WO2024032788A1 (en) * | 2022-08-12 | 2024-02-15 | 长春捷翼汽车科技股份有限公司 | Wireless charging apparatus, detection signal transmission method, and vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180223 Address after: 518172 Guangdong Shenzhen city Longgang District Longcheng Street Tianan Digital City 4 B seat 603-604 Applicant after: Zhonghui Powerise (Shenzhen) wireless power supply technology Co. Ltd. Address before: Laishan Mingda road 264003 Shandong city of Yantai province No. 11 Applicant before: Middle favour Powerise wireless power Technology Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170609 |